<img src="https://d5nxst8fruw4z.cloudfront.net/atrk.gif?account=iA1Pi1a8Dy00ym" style="display:none" height="1" width="1" alt="" />
You are viewing an older version of this Concept. Go to the latest version.

# Supplementary and Complementary Angle Pairs

## Find missing angle measures for supplementary or complementary angles.

Estimated3 minsto complete
%
Progress
Practice Supplementary and Complementary Angle Pairs

MEMORY METER
This indicates how strong in your memory this concept is
Progress
Estimated3 minsto complete
%
Supplementary and Complementary Angle Pairs

### Notes/Highlights Having trouble? Report an issue.

Color Highlighted Text Notes

### Vocabulary Language: English

TermDefinition
Acute Angle An acute angle is an angle with a measure of less than 90 degrees.
Complementary angles Complementary angles are a pair of angles with a sum of $90^{\circ}$.
Obtuse angle An obtuse angle is an angle greater than 90 degrees but less than 180 degrees.
Straight angle A straight angle is a straight line equal to $180^{\circ}$.
Supplementary angles Supplementary angles are two angles whose sum is 180 degrees.